Global Patent Index - EP 0032588 A2

EP 0032588 A2 19810729 - Substrate bias generation circuit.

Title (en)

Substrate bias generation circuit.

Title (de)

Substratvorspannungsgeneratorkreis.

Title (fr)

Circuit générateur de polarisation de substrat.

Publication

EP 0032588 A2 19810729 (EN)

Application

EP 80108185 A 19801223

Priority

JP 17165779 A 19791227

Abstract (en)

Disclosed is a substrate bias generator circuit which comprises an oscillator circuit (10), a driving circuit (20) producing a rectangular-wave signal in accordance with an oscillation output signal from the oscillator circuit (10), and a charge pump circuit (30) pumping electric charges into a substrate in accordance with the rectangular-wave output signal from the driving circuit (20). The oscillator circuit (10) is a voltage-controlled oscillator circuit whose oscillation frequency is controlled in accordance with a substrate bias voltage from the charge pump circuit (30).

IPC 1-7

G05F 3/20

IPC 8 full level

G05F 3/20 (2006.01); G11C 11/408 (2006.01); H01L 21/822 (2006.01); H01L 27/04 (2006.01); H01L 29/78 (2006.01)

CPC (source: EP US)

G05F 3/205 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB NL

DOCDB simple family (publication)

US 4388537 A 19830614; DE 3071578 D1 19860528; EP 0032588 A2 19810729; EP 0032588 A3 19810805; EP 0032588 B1 19860423; JP H0114712 B2 19890314; JP S5694654 A 19810731

DOCDB simple family (application)

US 21252080 A 19801203; DE 3071578 T 19801223; EP 80108185 A 19801223; JP 17165779 A 19791227